401230355615503 has 2 divisors, whose sum is σ = 401230355615504. Its totient is φ = 401230355615502.

The previous prime is 401230355615491. The next prime is 401230355615533. The reversal of 401230355615503 is 305516553032104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401230355615503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401230355615503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401230355615533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200615177807751 + 200615177807752.

It is an arithmetic number, because the mean of its divisors is an integer number (200615177807752).

Almost surely, 2^{401230355615503} is an apocalyptic number.

401230355615503 is a deficient number, since it is larger than the sum of its proper divisors (1).

401230355615503 is an equidigital number, since it uses as much as digits as its factorization.

401230355615503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 401230355615503 in words is "four hundred one trillion, two hundred thirty billion, three hundred fifty-five million, six hundred fifteen thousand, five hundred three".